Who should use Private Window Blocker?

Private Window Blocker is a consumer product built for firefox users who want to restrict private browsing.

Does Private Window Blocker have a free plan?

Yes — Private Window Blocker is free to use.

What platforms does Private Window Blocker run on?

Private Window Blocker runs on the web, embeddable surfaces, Windows, macOS, and Linux.

Is Private Window Blocker still maintained?

Unverified. Private Window Blocker has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to Private Window Blocker?

Similar projects tracked by PulseGate include Private Window Closer, Black Private Windows, and Open in Private Window.

Who makes Private Window Blocker?

Private Window Blocker is developed by Zir.

When did Private Window Blocker launch?

Private Window Blocker first shipped in 2025.

Back to the index

Private Window Blocker

Name: Private Window Blocker
Author: Zir

mozilla.orgBrowser DevTools & extensions

Private Window Blocker is a Firefox browser extension that automatically closes private windows. It is intended for users who want to restrict or prevent private browsing on supported desktop platforms.

FreeWebEmbeddableWindowsmacOSLinux

Visit mozilla.org

1alternative

4features

2025since

Overview

4 features

Private Window Blocker is a Browser DevTools & extensions project. It focuses on preventing private browsing windows from remaining open in Firefox. It is built as a consumer product for firefox users who want to restrict private browsing. Private Window Blocker costs nothing to use. Private Window Blocker is available on the web, embeddable surfaces, Windows, macOS, and Linux.

It is developed by Zir, and it first shipped in 2025. Key capabilities include private window blocking, automatic window closing, and browser permissions. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Private window blocking
Automatic window closing
Browser permissions
Firefox integration

Built with & integrations

Runs on

BrowserEmbeddableWindowsmacOSLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed14 Sep · 00:49 UTC
Private Window Blocker verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about Private Window Blocker

What does Private Window Blocker do?: Private Window Blocker focuses on preventing private browsing windows from remaining open in Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Private Window Blocker?: Private Window Blocker is a consumer product built for firefox users who want to restrict private browsing.
Does Private Window Blocker have a free plan?: Yes — Private Window Blocker is free to use.
What platforms does Private Window Blocker run on?: Private Window Blocker runs on the web, embeddable surfaces, Windows, macOS, and Linux.
Is Private Window Blocker still maintained?: Unverified. Private Window Blocker has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Private Window Blocker?: Similar projects tracked by PulseGate include Private Window Closer, Black Private Windows, and Open in Private Window.Private Window Closer Black Private Windows Open in Private Window
Who makes Private Window Blocker?: Private Window Blocker is developed by Zir.
When did Private Window Blocker launch?: Private Window Blocker first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users who want to restrict private browsing
Model: B2C
Solves: Preventing private browsing windows from remaining open in Firefox.

Registered as

Firefox Add-ons: private-window-blocker

Developer

Zir

Index record

Indexed: 14 Sep 2026
Lifecycle: Alive
Last seen: 14 Sep 2026

Identity audit (13)

Slug: private-window-blocker-mozilla-org
Lifecycle state recorded: 14 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 14 Sep 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 14 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/private-window-blocker

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